William Cavendish & Louisa O'Callaghan 
William and Louisa were married in a religious ceremony on July 18th, 1807. They had two sons named William and George Henry.
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Personal Details
William Cavendish
William was born on January 10th, 1783. He died at the age of 29 on January 14th, 1812.
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Children
William Cavendish
William was born on April 27th, 1808. He died at the age of 83 on December 21st, 1891 in Holker Hall, England.
George Henry Cavendish
George Henry was born on August 19th, 1810. He died at the age of 70 on September 23rd, 1880.